Pith Number

pith:IUAUQ42X

pith:2020:IUAUQ42XUMCK6K7FG3GPWEL3TN

not attested not anchored not stored refs pending

Purveyors of fine halos III. Chemical abundance analysis of a potential omega Cen associate

Andreas J. Koch-Hansen, Camilla Juul Hansen, Elisabetta Caffau, Linda Lombardo, Michael Hanke, Piercarlo Bonifacio

arxiv:2011.12303 v1 · 2020-11-24 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUAUQ42XUMCK6K7FG3GPWEL3TN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:08:14.288669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4501487357a304af2be536ccfb117b9b453909fc91e7da799b378865aaca8db7

Aliases

arxiv: 2011.12303 · arxiv_version: 2011.12303v1 · doi: 10.48550/arxiv.2011.12303 · pith_short_12: IUAUQ42XUMCK · pith_short_16: IUAUQ42XUMCK6K7F · pith_short_8: IUAUQ42X

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IUAUQ42XUMCK6K7FG3GPWEL3TN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4501487357a304af2be536ccfb117b9b453909fc91e7da799b378865aaca8db7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e568776fa2fa8480942c6ad432a247923ff7a25d39513e2206c79ef9defa06f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-11-24T19:00:01Z",
    "title_canon_sha256": "193d9674c84a7e9dd6bd5de76956244afdde48f1c9caf1edf5b8a6067c28cb65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.12303",
    "kind": "arxiv",
    "version": 1
  }
}